Add some missing ENABLE_PLUGINS ifdefs.

content/browser/frame_host/render_frame_host_manager_unittest.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/command_line.h"
 #include "base/files/file_path.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/test/histogram_tester.h"
 #include "base/time/time.h"
 #include "content/browser/frame_host/cross_site_transferring_request.h"
@@ skipping 532 matching lines @@
   EXPECT_TRUE(ntp_rfh->is_swapped_out());
   {
     PluginFaviconMessageObserver observer(contents());
     EXPECT_TRUE(
         ntp_rfh->GetRenderViewHost()->OnMessageReceived(
             ViewHostMsg_UpdateFaviconURL(
                 dest_rfh->GetRenderViewHost()->GetRoutingID(), icons)));
     EXPECT_FALSE(observer.favicon_received());
   }
 
+#if defined(ENABLE_PLUGINS)
   // The same logic should apply to RenderFrameHosts as well and routing through
   // swapped out RFH shouldn't be allowed. Use a PluginCrashObserver to check
   // if the IPC message is allowed through or not.
   {
     PluginFaviconMessageObserver observer(contents());
     EXPECT_TRUE(ntp_rfh->OnMessageReceived(
                     FrameHostMsg_PluginCrashed(
                         ntp_rfh->GetRoutingID(), base::FilePath(), 0)));
     EXPECT_FALSE(observer.plugin_crashed());
   }
+#endif
 
   // We cannot filter out synchronous IPC messages, because the renderer would
   // be left waiting for a reply.  We pick RunBeforeUnloadConfirm as an example
   // that can run easily within a unit test, and that needs to receive a reply
   // without showing an actual dialog.
   MockRenderProcessHost* ntp_process_host =
       static_cast<MockRenderProcessHost*>(ntp_rfh->GetProcess());
   ntp_process_host->sink().ClearMessages();
   const base::string16 msg = base::ASCIIToUTF16("Message");
   bool result = false;
@@ skipping 1223 matching lines @@
    pending_rfh->GetSiteInstance()->increment_active_frame_count();
 
     contents()->GetMainFrame()->OnMessageReceived(
         FrameHostMsg_BeforeUnload_ACK(0, false, now, now));
     EXPECT_FALSE(contents()->cross_navigation_pending());
     EXPECT_FALSE(rfh_deleted_observer.deleted());
   }
 }
 
 }  // namespace content